30730 - Well Prepared 2.65 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Alanqa saharica Abhandlungen Kongligischen Böhemischen Gesellschaft der

Abhandlungen Kongligischen Böhemischen Gesellschaft der Wiossenschaften

The Dyrosauridae are a group of mostly marine

He had a high snout slightly heterodont teeth with three dental morphologies present in sections of the jaw

It is a well preserved collection of 5 teeth

30730 - Well Prepared 2.65 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Alanqa saharica Abhandlungen Kongligischen Böhemischen Gesellschaft derCrotalocephalina sp, Pibyl and Vanek 1964 (trilobite) Trilobita Phacopida Cheiruridae Parent taxon: Cheiruridae according to P. A. Jell and J. M. Adrain 2002 See also Sepkoski 2002 Sister taxa: Acanthoparyphinae, Anasobella, Ancyginaspis, Arcticeraurinella, Areia, Areiaspis, Borealaspis, Bornholmaspis, Ceraurinium, Ceraurinus, Cerauroides, Cerauromeros, Cerauropeltis, Ceraurus, Chacomurus, Cheirurinae, Cheirurus, Chiozoon, Contracheirurus,